620  
SXUS45 KMSO 131230  
RECGPI  
 
RECREATION FORECAST FOR FLATHEAD LAKE  
NATIONAL WEATHER SERVICE MISSOULA MT  
605 AM MDT WED MAY 13 2026  
 
NOTE: THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE OF  
THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE  
SIGNIFICANTLY LESS ON UPWIND SHORES.  
   
TODAY
 
BREEZY. MOSTLY CLOUDY. A CHANCE OF RAIN IN THE MORNING,  
THEN RAIN AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS  
IN THE MID 60S. VARIABLE WINDS UP TO 10 MPH BECOMING SOUTHWEST  
15 TO 25 MPH WITH GUSTS TO AROUND 45 MPH IN THE AFTERNOON. CHANCE  
OF PRECIPITATION 90 PERCENT. WAVES AROUND 1 FOOT...LOCALLY UP TO  
2 FEET.    
TONIGHT
 
WINDY. CLOUDY WITH A 50 PERCENT CHANCE OF RAIN. LOWS  
IN THE MID 40S. SOUTHWEST WINDS 20 TO 35 MPH. WAVES 2 TO 4 FEET...  
LOCALLY UP TO 5 FEET.    
THURSDAY
 
WINDY, COOLER. PARTLY SUNNY. A 20 PERCENT CHANCE OF  
RAIN IN THE MORNING. HIGHS IN THE MID 50S. SOUTHWEST WINDS 15 TO  
30 MPH. GUSTS UP TO 45 MPH IN THE MORNING. WAVES 2 TO 4 FEET...  
LOCALLY UP TO 5 FEET.    
THURSDAY NIGHT
 
BREEZY. MOSTLY CLOUDY. LOWS IN THE MID 40S.  
SOUTHWEST WINDS 15 TO 25 MPH. WAVES 1 TO 2 FEET...LOCALLY UP TO  
3 FEET SUBSIDING TO AROUND 1 FOOT...LOCALLY UP TO 2 FEET AFTER  
MIDNIGHT.    
FRIDAY
 
BREEZY. MOSTLY SUNNY. HIGHS IN THE MID 50S. SOUTHWEST  
WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 30 MPH. WAVES AROUND  
1 FOOT...LOCALLY UP TO 2 FEET.  
 
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